The thinking of study is to develop the new-type spring steel to replace 50CWA on the basis of traditional 60Si2MnA to apply to manufacturing thick leaf-springs of cross-section( 15 mm).

• 研究思路是在传统60Si2MnA的基础上开发新型的弹簧钢取代50CrVA,用于生产厚等截面(15mm)钢板弹簧。